!   
!                Parallel Sparse BLAS  version 3.5
!      (C) Copyright 2006, 2010, 2015, 2017
!        Salvatore Filippone    Cranfield University
!        Alfredo Buttari        CNRS-IRIT, Toulouse
!   
!    Redistribution and use in source and binary forms, with or without
!    modification, are permitted provided that the following conditions
!    are met:
!      1. Redistributions of source code must retain the above copyright
!         notice, this list of conditions and the following disclaimer.
!      2. Redistributions in binary form must reproduce the above copyright
!         notice, this list of conditions, and the following disclaimer in the
!         documentation and/or other materials provided with the distribution.
!      3. The name of the PSBLAS group or the names of its contributors may
!         not be used to endorse or promote products derived from this
!         software without specific written permission.
!   
!    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!    TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
!    PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
!    BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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!    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
!    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!    POSSIBILITY OF SUCH DAMAGE.
!   
!    
  !
  ! Subroutine: psb_cdcpy
  !   Produces a clone of a descriptor.
  ! 
  ! Arguments: 
  !    desc_in  - type(psb_desc_type).         The communication descriptor to be cloned.
  !    desc_out - type(psb_desc_type).         The output communication descriptor.
  !    info     - integer.                       Return code.
subroutine psb_cdcpy(desc_in, desc_out, info)

  use psb_base_mod, psb_protect_name => psb_cdcpy

  implicit none
  !....parameters...

  type(psb_desc_type), intent(inout) :: desc_in
  type(psb_desc_type), intent(out)   :: desc_out
  integer(psb_ipk_), intent(out)     :: info

  !locals
  integer(psb_ipk_) :: np,me,ictxt, err_act
  integer(psb_ipk_) :: debug_level, debug_unit
  character(len=20)   :: name

  debug_unit  = psb_get_debug_unit()
  debug_level = psb_get_debug_level()

  if (psb_get_errstatus() /= 0) return 
  info = psb_success_
  call psb_erractionsave(err_act)
  name = 'psb_cdcpy'

  ictxt = desc_in%get_context()

  ! check on blacs grid 
  call psb_info(ictxt, me, np)
  if (debug_level >= psb_debug_ext_) &
       & write(debug_unit,*) me,' ',trim(name),': Entered'
  if (np == -1) then
    info = psb_err_context_error_
    call psb_errpush(info,name)
    goto 9999
  endif

  call desc_in%clone(desc_out,info)

  if (info /= psb_success_) then
    info = psb_err_from_subroutine_
    call psb_errpush(info,name)
    goto 9999
  endif
  if (debug_level >= psb_debug_ext_) &
       & write(debug_unit,*) me,' ',trim(name),': Done'

  call psb_erractionrestore(err_act)
  return

9999 call psb_error_handler(ictxt,err_act)

  return

end subroutine psb_cdcpy
